The lame Discord in-game overlay external hook is causing the nvidia driver to crash.
But it's not the only hook there, there are several fighting each other!
Try to disable them for Dota 2 / globally / uninstall them:
- C:\Users\Arkwolf\AppData\Roaming\Discord\0.0.304\m odules\discord_hook\908b03f8e3\DiscordHook64.dll